Waste treatment plant



FIG. 1 is a top, plan view of the waste treatment plant of the present invention;

FIG. 2 is a front, elevational view of the waste treatment plant of FIG. 1;

FIG. 3 is a rear, elevational view of the waste treatment plant of FIG. 1;

FIG. 4 is a bottom, plan view of the waste treatment plant of FIG. 1;

FIG. 5 is a side, elevational view of the waste treatment plant of FIG. 1; and,

FIG. 6 is an opposite side, elevational view of the waste treatment plant of FIG. 1. 

The ornamental design for a waste treatment plant, as shown and described. 